White-yellow star (A5 V)

HR 8799

A young star with four giant planets that astronomers have filmed orbiting it.

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Distance: 135 light years
Surface: 6,932 °C
Size: 1.5 × the Sun
Known planets: 4

Outer layers

H 73%
He 25%
O, C, Fe and heavier 2%

Glowing hydrogen plasma

Modelled from typical stellar abundances

Nearby in the guide